“Normally, the crew gets it immediately after the curtain call,” explained a spy. But on Saturday night, “the wig was nowhere to be found. They suspect an eager fan grabbed it [off the stage] and made off with it.”

Now there is suspicion the culprit will don the wig him- or herself come Halloween.

“You do not mess with Hedwig’s wigs,” warned producer David Binder of the hair-raising caper. “I’m afraid for the poor person who did this, because Hedwig will find you — hunt you down, and do unspeakable things to you.”

He further added, “Trust me, you’d better not wear it in the Village on Friday. She’ll snatch it right off your head, and if she takes a handful of your actual hair, I can’t be held responsible.”